package com.gitee.T4;

import java.util.Scanner;

public class t4 {
    public static void main(String[] args) {
        int price = 19;
        Scanner sc = new Scanner(System.in);
        System.out.print("输入a和b：");
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = (a * 10 + b) / price;
        System.out.println(c);
    }
}
